package ooday01;
/**构造方法的演示*/
public class ConsDemo {
    public static void main(String[] args) {
        Student zs = new Student();//调用无参构造方法
        Student ls = new Student("李四",25);//调用无参构造方法
        Student ww = new Student("王五",25,"jsd2","330");//调用无参构造方法
        zs.sayHi();
        ls.sayHi();
        ww.sayHi();
    }
}
